Electronic keyboard



FIG. 1 is a front, top and right side perspective view of an electronickeyboard showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the electronickeyboard that form no part of the claimed design.

CLAIM The ornamental design for an electronic keyboard, as shown anddescribed.